public class Main {
    public static void main(String[] args) {
        System.out.println("2.0");
        System.out.println("this is git 1.0");
        System.out.println("this is git 2.0");
        System.out.println("this is git 3.0");
        System.out.println("this is git 4.0");
        System.out.println("this is git 5.0");
    }
}
